Singapore · Singapore Completed: Apr 22, 2026 23:33 UTCMobile 375 × 812
Desktop 1440 × 900
Score: 67 / 100
Based on 8 categories, 0 sections
Decent speed, but optimizing further could improve engagement.
Several missing protections leave your users and data exposed.
Major barriers for users with disabilities — up to 15% of your audience.
Well-optimized for search — your content is discoverable.
Good server performance with room for optimization.
Several regulatory requirements are not yet met.
Missing metadata means poor previews on social media and search.
Heavier than average — reducing page weight saves energy and bandwidth.
The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.
Weights reflect general web best practices. Individual needs may differ.
Content-Security-Policy header is missing
Security gaps expose your site and users to attacks, eroding trust.
HSTS header is missing
Security gaps expose your site and users to attacks, eroding trust.
No Content-Security-Policy header found
Security gaps expose your site and users to attacks, eroding trust.
Page weighs 10.2 MB (7.3 MB transferred)
Performance issues directly impact user engagement and conversion rates.
1 button(s) with no accessible text
Accessibility issues exclude users with disabilities — up to 15% of your potential audience.
High impact, low effort — start here.
High impact, requires investment.
Small gains, minimal effort.
Nothing in this quadrant — good news.
Low impact, high effort — do last.
Nothing in this quadrant — good news.
[](https://beavercheck.com/results/f4bb713e-bd45-4c7a-a733-f6307b5b2dc7)<a href="https://beavercheck.com/results/f4bb713e-bd45-4c7a-a733-f6307b5b2dc7"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Ftuv.com" alt="BeaverCheck Score"></a>https://beavercheck.com/badge?url=https%3A%2F%2Ftuv.comThis badge auto-updates with your latest scan result.
Your site has several issues that may be affecting user experience and business outcomes. Your LCP of 18.0s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.
9 barrier(s) likely increasing bounce by ~32%.
Page takes 18.0s to load
+12% bounceUsers abandon at ~3s — you're 15.5s over the 2.5s threshold
Fix: Optimize render-blocking resources, preload the hero image, and compress images
Page feels frozen for 1.5s
+5% bounceClicks on the primary CTA are ignored while JavaScript runs
Fix: Break up long tasks; defer non-critical JavaScript to post-hydration
No HSTS header
+1% bounceReturning visitors are briefly exposed to downgrade attacks on first request
Fix: Set Strict-Transport-Security: max-age=31536000; includeSubDomains
No Content-Security-Policy header
+1% bounceHigher XSS blast radius — one compromised script can exfiltrate the checkout form
Fix: Ship a reporting-only CSP first, then enforce once violations are clean
Viewport disables user zoom
+2% bounceVisitors with low vision can't read the page — and some jurisdictions treat this as a legal risk
Fix: Remove user-scalable=no; drop maximum-scale if it's below 2
No structured data
+2% bounceNo rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices
Fix: Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)
8 link(s) with generic text ("click here", "read more")
+1% bounceScreen-reader users navigating by link list see no context — and search engines can't infer relevance
Fix: Rewrite with descriptive phrases that identify the destination
No skip-to-content link
+1% bounceKeyboard and screen-reader users must tab through the entire header on every page
Fix: Add a visible-on-focus <a href="#main">Skip to content</a> as the first focusable element
21 broken link(s) on the page
+5% bounceClicks land on 404s — trust drops and the session often ends
Fix: Fix or remove the broken destinations surfaced on the Content tab
Preliminary CRO audit — each barrier links to the tab with detailed analysis.
€450 investment → €1.70/month returns + EUR 120,500,000 risk avoided
€450
5h · 5 findings
€1.70 /mo
~€20 / year
EUR 120,500,000
if kept compliant
€135 — in quick wins — start here for the fastest payback
Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.
5.0 developer hours at €90/hr
Based on Germany rates (€90/hr)
Start here for the best return on investment
€10,041,668 / month at risk
~€120,500,020 / year if left unfixed
€120,500,000
+10 more
€1.70 /mo
22995.1 MB/mo × 0.074 EUR/GB
Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.
Unique monthly visitors from your analytics
Purchases, signups, or key actions
Optional — for revenue estimation
more engaged visitors from reduced bounce
Fix 5 critical issues to capture this value
Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.
Your site's LCP: → estimated after fixes.
These are estimates based on industry research — actual results vary
Your data stays in your browser — nothing is sent to our servers
Thanks for your feedback!
We'll use a cached audit if available, or offer to scan.
Industry-standard audits powered by Google Lighthouse.
Key metrics that affect user experience.
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
4.17 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
18.05 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.48 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
7.07 s
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
18.68 s
Audit breakdown by category with detailed findings.
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
Performance issues directly impact user engagement and conversion rates.
Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling
Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.
Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.
Source: Google web.dev / Lighthouse
3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.
Performance issues directly impact user engagement and conversion rates.
A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
Performance issues directly impact user engagement and conversion rates.
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.
Performance issues directly impact user engagement and conversion rates.
A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.
Performance issues directly impact user engagement and conversion rates.
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
div.tuv-slider__slide > div.tuv-slider__slide-container > a.tuv-slider__link > div.h-hidden-tablet-up div.tuv-slider__slide > div.tuv-slider__slide-container > a.tuv-slider__link > div.h-hidden-tablet-up | /content-media-files/taiwan/images/homepage-banner/landin... | 2.2 MiB | 2.0 MiB |
div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/taiwan/images/hot-topics/hot-topics_... | 120.8 KiB | 90.2 KiB |
車輛檢驗 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/mobility/010... | 114.6 KiB | 69.8 KiB |
功能安全性 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/mobility/104... | 110.9 KiB | 67.2 KiB |
div.tuv-teaser-container > div.component > a > img.lazyloaded div.tuv-teaser-container > div.component > a > img.lazyloaded | /content-media-files/master-content/homepage/tuv-rheinlan... | 103.1 KiB | 62.5 KiB |
div.tuv-teaser-container > div.component > a > img.lazyloaded div.tuv-teaser-container > div.component > a > img.lazyloaded | /content-media-files/master-content/homepage/tuv-rheinlan... | 100.4 KiB | 60.8 KiB |
車輛評估和中古車管理 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/mobility/010... | 67.3 KiB | 40.8 KiB |
評估服務 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/mobility/011... | 62.5 KiB | 37.8 KiB |
div.tuv-teaser-container > div.component > a > img.lazyloaded div.tuv-teaser-container > div.component > a > img.lazyloaded | /content-media-files/master-content/homepage/tuv-rheinlan... | 52.5 KiB | 31.8 KiB |
div.tuv-slider__slide > div.tuv-slider__slide-container > a.tuv-slider__link > div.h-hidden-tablet-up div.tuv-slider__slide > div.tuv-slider__slide-container > a.tuv-slider__link > div.h-hidden-tablet-up | /content-media-files/master-content/corporate-topics/sust... | 244.4 KiB | 19.4 KiB |
div.tuv-slider__slide > div.tuv-slider__slide-container > a.tuv-slider__link > div.h-hidden-tablet-up div.tuv-slider__slide > div.tuv-slider__slide-container > a.tuv-slider__link > div.h-hidden-tablet-up | /content-media-files/taiwan/images/homepage-banner/landin... | 236.0 KiB | 11.0 KiB |
Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading
Performance issues directly impact user engagement and conversion rates.
Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
Performance issues directly impact user engagement and conversion rates.
Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Duration |
|---|---|---|
| consent.cookiebot.eu/uc.js | 30.3 KiB | 1.9 s |
| www.tuv.com/system-media-files/css/style.css?20220919 | 112.1 KiB | 1.1 s |
| www.tuv.com/system-media-files/css/pti_booking.css | 1.3 KiB | |
| www.tuv.com/system-media-files/css/font-awesome/fontawesome.min.css | 7.3 KiB | 150 ms |
| www.tuv.com/system-media-files/css/flags-2.css | 1.3 KiB | |
| www.tuv.com/system-media-files/css/additional_cn_style.css?20200227 | 0 B |
Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.
Performance issues directly impact user engagement and conversion rates.
| URL | Est Savings |
|---|---|
| /system-media-files/fonts/font-awesome/fontawesome-webfon... | 10 ms |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.
Performance issues directly impact user engagement and conversion rates.
| URL | Time Spent |
|---|---|
| tuv.com/ | 1.2 s |
| www.tuv.com/ | 762 ms |
| www.tuv.com/greater-china/tw/ | 0.0 ms |
| www.tuv.com/taiwan/tw/ | 0.0 ms |
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.
Performance issues directly impact user engagement and conversion rates.
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.
Performance issues directly impact user engagement and conversion rates.
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| www.tuv.com/system-media-files/css/style.css?20220919 | 111.7 KiB | 107.2 KiB |
| 13.5 KiB | 11.2 KiB |
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Multi-megabyte JavaScript bundles delay every interactive feature on the page.
This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.
Source: Google web.dev / Lighthouse
| URL | Transfer Size | Est Savings |
|---|---|---|
| www.tuv.com/system-media-files/js/scripts.js | 505.3 KiB | 349.1 KiB |
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.
Performance issues directly impact user engagement and conversion rates.
| URL | Total CPU Time | Script Evaluation | Script Parse |
|---|---|---|---|
| www.tuv.com/system-media-files/js/scripts.js | 1.9 s | 819 ms | 291 ms |
| /93626a84-94d4-4a5f-8a68-a23475d61c36/cc.js?renew=false&r... | 1.2 s | 393 ms | 57 ms |
| consent.cookiebot.eu/uc.js | 1.2 s | 790 ms | 20 ms |
| www.tuv.com/taiwan/tw/ | 917 ms | 23 ms | 8.7 ms |
| Unattributable | 673 ms | 9.0 ms | 0.0 ms |
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work
Performance issues directly impact user engagement and conversion rates.
| Category | Time Spent |
|---|---|
| Script Evaluation | 2.0 s |
| Style & Layout | 1.5 s |
| Other | 975 ms |
| Parse HTML & CSS | 842 ms |
| Script Parsing & Compilation | 380 ms |
| Rendering | 66 ms |
| Garbage Collection | 53 ms |
Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.
Performance issues directly impact user engagement and conversion rates.
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Performance issues directly impact user engagement and conversion rates.
div#8784085 > div.tuv-fullscreen-image > div.tuv-fullscreen-image__img-box > img.lazyload div#8784085 > div.tuv-fullscreen-image > div.tuv-fullscreen-image__img-box > img.lazyload |
More information about the performance of your application. These numbers don't directly affect the Performance score.
These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.
Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div#main_content > div.tuv-slider > ul.slick-dots > li#slick-slide00 div#main_content > div.tuv-slider > ul.slick-dots > li#slick-slide00 |
div.break-in > div.tuv-teaser-container > ul.slick-dots > li#slick-slide10 div.break-in > div.tuv-teaser-container > ul.slick-dots > li#slick-slide10 |
Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. Learn more about roles and required children elements.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.tuv-containers > div#main_content > div.tuv-slider > ul.slick-dots div.tuv-containers > div#main_content > div.tuv-slider > ul.slick-dots |
div.break-out > div.break-in > div.tuv-teaser-container > ul.slick-dots div.break-out > div.break-in > div.tuv-teaser-container > ul.slick-dots |
Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid values. Learn more about valid values for ARIA attributes.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div#main_content > div.tuv-slider > ul.slick-dots > li#slick-slide00 div#main_content > div.tuv-slider > ul.slick-dots > li#slick-slide00 |
div.break-in > div.tuv-teaser-container > ul.slick-dots > li#slick-slide10 div.break-in > div.tuv-teaser-container > ul.slick-dots > li#slick-slide10 |
When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more about input field labels.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
香港機電工程署(EMSD)委任電動車工場認證機構 div#main_content > div.tuv-slider > div.slick-list > div.slick-track |
主題
ANSI/ESD S20.20靜電放電防護管理系統
ESD靜電防護認證服務致力於確保您的產品在任何情況下都能保持最佳性能。
主題
化學測試服務
提… div.break-in > div.tuv-teaser-container > div.slick-list > div.slick-track |
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.newsletter-box > form > div.tuv-input-group > button.tuv-btn div.newsletter-box > form > div.tuv-input-group > button.tuv-btn |
Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.CybotCookiebotScrollContainer > div#CybotCookiebotDialogBodyContent > div#CybotCookiebotDialogBodyContentText > a div.CybotCookiebotScrollContainer > div#CybotCookiebotDialogBodyContent > div#CybotCookiebotDialogBodyContentText > a |
div.header__inner > div.logo_wrapper > div.logo > a div.header__inner > div.logo_wrapper > div.logo > a |
body#body > div.component > a.sticky-cta-wrapper body#body > div.component > a.sticky-cta-wrapper |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.footer-top > div.footer-inner > div.back-top-box > a.back-top-btn div.footer-top > div.footer-inner > div.back-top-box > a.back-top-btn |
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
主題 a > div.tuv-teaser__content > div.tuv-text > span.tuv-text--meta__title |
These are opportunities to improve the legibility of your content.
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
德國萊因TÜV集團 div.component > a > div.tuv-teaser__content > h4.heading--v2 |
These are opportunities to improve keyboard navigation in your application.
Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
head > meta head > meta |
These items highlight common accessibility best practices.
Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit
Performance issues directly impact user engagement and conversion rates.
| Source | Description |
|---|---|
Failed to load resource: the server responded with a status of 403 () | |
Failed to load resource: the server responded with a status of 404 () |
Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.
Performance issues directly impact user engagement and conversion rates.
These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.
Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.
Performance issues directly impact user engagement and conversion rates.
Format your HTML in a way that enables crawlers to better understand your app’s content.
Industry-standard audits powered by Google Lighthouse. — Desktop
Key metrics that affect user experience. — Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
1.63 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.84 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
198 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.72 s
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
3.00 s
Audit breakdown by category with detailed findings.
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
Performance issues directly impact user engagement and conversion rates.
Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling
Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.
Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.
Source: Google web.dev / Lighthouse
3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.
Performance issues directly impact user engagement and conversion rates.
A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
Performance issues directly impact user engagement and conversion rates.
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.
Performance issues directly impact user engagement and conversion rates.
Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.
Performance issues directly impact user engagement and conversion rates.
| URL | Est Savings |
|---|---|
| /system-media-files/fonts/font-awesome/fontawesome-webfon... | 40 ms |
A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.
Performance issues directly impact user engagement and conversion rates.
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
div.tuv-teaser-container > div.component > a > img.lazyloaded div.tuv-teaser-container > div.component > a > img.lazyloaded | /content-media-files/master-content/homepage/tuv-rheinlan... | 103.1 KiB | 94.3 KiB |
變壓器 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/products/022... | 115.0 KiB | 92.2 KiB |
div.tuv-teaser-container > div.component > a > img.lazyloaded div.tuv-teaser-container > div.component > a > img.lazyloaded | /content-media-files/master-content/homepage/tuv-rheinlan... | 100.4 KiB | 91.8 KiB |
車輛檢驗 div.tuv-teaser > a > div.tuv-teaser__image > img.ls-is-cached | /content-media-files/master-content/services/mobility/010... | 114.6 KiB | 91.7 KiB |
中東驗證 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/products/101... | 111.9 KiB | 89.3 KiB |
功能安全性 div.tuv-teaser > a > div.tuv-teaser__image > img.ls-is-cached | /content-media-files/master-content/services/mobility/104... | 110.9 KiB | 88.6 KiB |
ISO 14001環境管理系統 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/global-landingpages/i... | 101.3 KiB | 80.9 KiB |
歐洲壓力容器法規：PED、TPED、SPVD、AD 2000 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/industrial-s... | 97.9 KiB | 78.2 KiB |
歐盟REACH法規 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/products/020... | 87.2 KiB | 69.6 KiB |
FSC FM & COC div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/systems/0435... | 85.2 KiB | 68.0 KiB |
防爆認證 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/industrial-s... | 82.3 KiB | 65.7 KiB |
div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/taiwan/images/hot-topics/hot-topics_... | 120.8 KiB | 55.4 KiB |
車輛評估和中古車管理 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/mobility/010... | 67.3 KiB | 53.7 KiB |
ISO 9001 – TÜV Rheinland div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/systems/0414... | 63.5 KiB | 50.7 KiB |
評估服務 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/mobility/011... | 62.5 KiB | 49.9 KiB |
金屬材料測試和分析 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/industrial-s... | 61.6 KiB | 49.2 KiB |
驗證技能 – TÜV Rheinland div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/academy-life... | 61.5 KiB | 49.1 KiB |
div.tuv-teaser-container > div.component > a > img.lazyloaded div.tuv-teaser-container > div.component > a > img.lazyloaded | /content-media-files/master-content/homepage/tuv-rheinlan... | 52.5 KiB | 48.0 KiB |
企業職業培訓 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/academy-life... | 59.4 KiB | 47.5 KiB |
div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/industrial-s... | 58.0 KiB | 46.3 KiB |
BSCI 審核 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/systems/0397... | 54.4 KiB | 43.4 KiB |
電線電纜 div.tuv-teaser > a > div.tuv-teaser__image > img.lazyload | /content-media-files/master-content/services/products/137... | 38.5 KiB | 30.7 KiB |
div.tuv-slider__slide > div.tuv-slider__slide-container > a.tuv-slider__link > div.h-hidden-mobile div.tuv-slider__slide > div.tuv-slider__slide-container > a.tuv-slider__link > div.h-hidden-mobile | /content-media-files/master-content/corporate-topics/sust... | 244.4 KiB | 19.4 KiB |
div.tuv-slider__slide > div.tuv-slider__slide-container > a.tuv-slider__link > div.h-hidden-mobile div.tuv-slider__slide > div.tuv-slider__slide-container > a.tuv-slider__link > div.h-hidden-mobile | /content-media-files/taiwan/images/homepage-banner/landin... | 236.0 KiB | 11.0 KiB |
Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading
Performance issues directly impact user engagement and conversion rates.
Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
Performance issues directly impact user engagement and conversion rates.
Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Duration |
|---|---|---|
| consent.cookiebot.eu/uc.js | 30.3 KiB | 531 ms |
| www.tuv.com/system-media-files/css/style.css?20220919 | 112.1 KiB | 160 ms |
| www.tuv.com/system-media-files/css/pti_booking.css | 1.3 KiB | |
| www.tuv.com/system-media-files/css/font-awesome/fontawesome.min.css | 7.3 KiB | |
| www.tuv.com/system-media-files/css/flags-2.css | 1.3 KiB | |
| www.tuv.com/system-media-files/css/additional_cn_style.css?20200227 | 0 B |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.
Performance issues directly impact user engagement and conversion rates.
| URL | Time Spent |
|---|---|
| tuv.com/ | 711 ms |
| www.tuv.com/ | 223 ms |
| www.tuv.com/greater-china/tw/ | 40 ms |
| www.tuv.com/taiwan/tw/ | 0.0 ms |
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.
Performance issues directly impact user engagement and conversion rates.
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.
Performance issues directly impact user engagement and conversion rates.
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| www.tuv.com/system-media-files/css/style.css?20220919 | 111.7 KiB | 104.7 KiB |
| 13.5 KiB | 10.8 KiB |
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Multi-megabyte JavaScript bundles delay every interactive feature on the page.
This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.
Source: Google web.dev / Lighthouse
| URL | Transfer Size | Est Savings |
|---|---|---|
| www.tuv.com/system-media-files/js/scripts.js | 505.3 KiB | 349.8 KiB |
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work
Performance issues directly impact user engagement and conversion rates.
| Category | Time Spent |
|---|---|
| Script Evaluation | 713 ms |
| Style & Layout | 673 ms |
| Other | 264 ms |
| Parse HTML & CSS | 217 ms |
| Script Parsing & Compilation | 110 ms |
| Garbage Collection | 22 ms |
| Rendering | 19 ms |
Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.
Performance issues directly impact user engagement and conversion rates.
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Performance issues directly impact user engagement and conversion rates.
| URL | |
|---|---|
div#8784085 > div.tuv-fullscreen-image > div.tuv-fullscreen-image__img-box > img.lazyloaded div#8784085 > div.tuv-fullscreen-image > div.tuv-fullscreen-image__img-box > img.lazyloaded | /content-media-files/master-content/corporate-topics/sust... |
More information about the performance of your application. These numbers don't directly affect the Performance score.
These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.
Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div#main_content > div.tuv-slider > ul.slick-dots > li#slick-slide00 div#main_content > div.tuv-slider > ul.slick-dots > li#slick-slide00 |
div.break-in > div.tuv-teaser-container > ul.slick-dots > li#slick-slide10 div.break-in > div.tuv-teaser-container > ul.slick-dots > li#slick-slide10 |
Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. Learn more about roles and required children elements.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.tuv-containers > div#main_content > div.tuv-slider > ul.slick-dots div.tuv-containers > div#main_content > div.tuv-slider > ul.slick-dots |
div.break-out > div.break-in > div.tuv-teaser-container > ul.slick-dots div.break-out > div.break-in > div.tuv-teaser-container > ul.slick-dots |
Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid values. Learn more about valid values for ARIA attributes.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div#main_content > div.tuv-slider > ul.slick-dots > li#slick-slide00 div#main_content > div.tuv-slider > ul.slick-dots > li#slick-slide00 |
div.break-in > div.tuv-teaser-container > ul.slick-dots > li#slick-slide10 div.break-in > div.tuv-teaser-container > ul.slick-dots > li#slick-slide10 |
When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more about input field labels.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
香港機電工程署(EMSD)委任電動車工場認證機構 div#main_content > div.tuv-slider > div.slick-list > div.slick-track |
主題
ANSI/ESD S20.20靜電放電防護管理系統
ESD靜電防護認證服務致力於確保您的產品在任何情況下都能保持最佳性能。
主題
化學測試服務
提… div.break-in > div.tuv-teaser-container > div.slick-list > div.slick-track |
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.newsletter-box > form > div.tuv-input-group > button.tuv-btn div.newsletter-box > form > div.tuv-input-group > button.tuv-btn |
Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.CybotCookiebotScrollContainer > div#CybotCookiebotDialogBodyContent > div#CybotCookiebotDialogBodyContentText > a div.CybotCookiebotScrollContainer > div#CybotCookiebotDialogBodyContent > div#CybotCookiebotDialogBodyContentText > a |
div.header__inner > div.logo_wrapper > div.logo > a div.header__inner > div.logo_wrapper > div.logo > a |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.social-box > ul > li.component > a.tuv-social-share__link div.social-box > ul > li.component > a.tuv-social-share__link |
div.footer-top > div.footer-inner > div.back-top-box > a.back-top-btn div.footer-top > div.footer-inner > div.back-top-box > a.back-top-btn |
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
主題 a > div.tuv-teaser__content > div.tuv-text > span.tuv-text--meta__title |
主題 a > div.tuv-teaser__content > div.tuv-text > span.tuv-text--meta__title |
These are opportunities to improve the legibility of your content.
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
德國萊因TÜV集團 div.component > a > div.tuv-teaser__content > h4.heading--v2 |
These are opportunities to improve keyboard navigation in your application.
Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
head > meta head > meta |
These items highlight common accessibility best practices.
Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit
Performance issues directly impact user engagement and conversion rates.
| Source | Description |
|---|---|
Failed to load resource: the server responded with a status of 403 () | |
Failed to load resource: the server responded with a status of 404 () |
Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.
Performance issues directly impact user engagement and conversion rates.
These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.
Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.
Performance issues directly impact user engagement and conversion rates.
Format your HTML in a way that enables crawlers to better understand your app’s content.
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