Lighthouse Mobile

· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Detailed Report

Audit breakdown by category with detailed findings.

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Request	Cache TTL	Transfer Size
www.esa.int/fontawesome/css/fontawesome.css	3600.0 s	37.3 KiB
/var/esa/cache/public/javascript/ec3756e8a47adc0f64e3c434...	3600.0 s	35.6 KiB
www-analytics.esa.int/matomo.js	3600.0 s	20.8 KiB
/var/esa/cache/public/stylesheets/c35b41a32fb01cc5cc5a0ef...	3600.0 s	14.8 KiB
www.esa.int/fontawesome/css/brands.css	3600.0 s	4.9 KiB
www.esa.int/fontawesome/css/solid.css	3600.0 s	486 B

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Est Savings
/extension/pillars/design/pillars/stylesheets/fonts/flexs...	60 ms
www.esa.int/fontawesome/webfonts/fa-brands-400.woff2	55 ms
www.esa.int/fontawesome/webfonts/fa-solid-900.woff2	50 ms
www.esa.int/extension/pillars/design/pillars/stylesheets/fonts/NotesStyle.woff	50 ms
/extension/pillars/design/pillars/stylesheets/fonts/Notes...	50 ms
www.esa.int/extension/pillars/design/pillars/stylesheets/fonts/NotesESAbold.woff	15 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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:73.877 source:map[column:29811 line:2 type:source-location url:https://code.jquery.com/jquery-2.2.4.min.js urlProvider:network]]]

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:7.721 source:map[column:18201 line:2 type:source-location url:https://code.jquery.com/jquery-2.2.4.min.js urlProvider:network]] map[reflowTime:30.409 source:map[column:19379 line:2 type:source-location url:https://code.jquery.com/jquery-2.2.4.min.js urlProvider:network]] map[reflowTime:1.234 source:map[column:19393 line:2 type:source-location url:https://code.jquery.com/jquery-2.2.4.min.js urlProvider:network]] map[reflowTime:0.291 source:map[column:21327 line:2 type:source-location url:https://code.jquery.com/jquery-2.2.4.min.js urlProvider:network]] map[reflowTime:4.054 source:map[column:2961 line:1 type:source-location url:https://www.esa.int/var/esa/cache/public/javascript/ec3756e8a47adc0f64e3c43418bca85a_1729093166.js urlProvider:network]] map[reflowTime:9.653 source:map[column:3136 line:1 type:source-location url:https://www.esa.int/var/esa/cache/public/javascript/ec3756e8a47adc0f64e3c43418bca85a_1729093166.js urlProvider:network]] map[reflowTime:20.13 source:map[column:3174 line:1 type:source-location url:https://www.esa.int/var/esa/cache/public/javascript/ec3756e8a47adc0f64e3c43418bca85a_1729093166.js urlProvider:network]] map[reflowTime:0.385 source:map[column:20126 line:3 type:source-location url:https://code.jquery.com/jquery-2.2.4.min.js urlProvider:network]]]

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.

title: Preconnected origins

value: no origins were preconnected

description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.

title: Preconnect candidates

value: No additional origins are good candidates for preconnecting

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size	Duration
www.esa.int/fontawesome/css/fontawesome.css	37.3 KiB	300 ms
code.jquery.com/jquery-2.2.4.min.js	29.5 KiB	1.1 s
/var/esa/cache/public/javascript/ec3756e8a47adc0f64e3c434...	35.6 KiB	300 ms
/var/esa/cache/public/stylesheets/c35b41a32fb01cc5cc5a0ef...	14.8 KiB	150 ms
www.esa.int/fontawesome/css/brands.css	4.9 KiB
www.esa.int/fontawesome/css/solid.css	486 B	150 ms

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Resource Size	Est Savings
FLEX, Sentinel-3C and MTG-I2 on show at TAS cleanrooms `li.flex-active-slide > div.feature-item > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2026/04/mtg...	972.3 KiB	877.3 KiB
Trifid Nebula (Wide Field Camera 3 Image) `li > div.feature-item > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2026/04/tri...	558.5 KiB	277.1 KiB
Euclid’s view of the Horsehead Nebula `section.feature > div.feature-item > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2023/11/euc...	534.8 KiB	234.4 KiB
li > div.feature-item > figure.thumbnail > img.image-bg `li > div.feature-item > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2026/04/a_f...	349.9 KiB	216.3 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/videos/2026/04/art...	213.3 KiB	203.1 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2021/03/dis...	131.3 KiB	121.1 KiB
This Copernicus Sentinel-2 image captures an active lava flow on the Piton de l… `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2026/04/ear...	119.9 KiB	108.6 KiB
HydRON optical communication for broadband in space `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2021/07/hyd...	118.4 KiB	108.2 KiB
Mars Express captures dark ash covering Mars’s Utopia Planitia `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2026/04/mar...	88.3 KiB	78.2 KiB
section.feature > div.feature-item > figure.thumbnail > img.image-bg `section.feature > div.feature-item > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/videos/2024/07/ari...	172.7 KiB	77.7 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/videos/2026/04/art...	77.8 KiB	67.7 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/videos/2026/03/lau...	72.9 KiB	62.8 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2019/10/our...	69.5 KiB	59.3 KiB
εpsilon website `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2026/01/eps...	97.2 KiB	53.1 KiB
This image from the Copernicus Sentinel-2 mission captures the coast of Gabon i… `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2026/04/ear...	65.2 KiB	51.4 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2016/04/cub...	54.7 KiB	44.5 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2021/11/cos...	52.9 KiB	42.8 KiB
Apollo to Artemis `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2024/05/apo...	52.8 KiB	42.6 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2024/03/stu...	52.3 KiB	42.1 KiB
Trifid Nebula (Wide Field Camera 3 Image) `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2026/04/tri...	40.5 KiB	32.0 KiB
Strong gravitational lenses captured by Euclid `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2025/03/str...	34.5 KiB	24.4 KiB
ESA blog navigator link `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2019/10/esa...	34.1 KiB	24.3 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2022/01/esa...	34.0 KiB	23.8 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2019/10/thi...	28.6 KiB	18.8 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/videos/2026/03/smi...	26.7 KiB	16.5 KiB
div.grid-item > a.card > figure.thumbnail > img.image-bg `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/videos/2026/03/how...	21.0 KiB	10.8 KiB
Salps `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2026/04/sal...	16.6 KiB	6.4 KiB
Orion and its European Service Module bringing the crew around the Moon and bac… `div.grid-item > a.card > figure.thumbnail > img.image-bg`	/var/esa/storage/images/esa_multimedia/images/2026/04/moo...	14.2 KiB	4.0 KiB

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.4 s

URL	Time Spent
esa.int/	1.4 s
www.esa.int/	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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 230 ms 47.4 KiB

URL	Transfer Size	Est Savings
www.esa.int/fontawesome/css/fontawesome.css	37.1 KiB	37.0 KiB
/var/esa/cache/public/stylesheets/c35b41a32fb01cc5cc5a0ef...	14.7 KiB	10.4 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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Category	Time Spent
Other	1.2 s
Style & Layout	473 ms
Script Evaluation	300 ms
Parse HTML & CSS	106 ms
Rendering	103 ms
Script Parsing & Compilation	42 ms

Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 6.1 KiB

URL	Transfer Size	Est Savings
www.esa.int/fontawesome/css/fontawesome.css	37.3 KiB	6.1 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size
/var/esa/storage/images/esa_multimedia/images/2022/02/esa...	5.1 MiB
/var/esa/storage/images/esa_multimedia/images/2023/01/her...	1.9 MiB
/var/esa/storage/images/esa_multimedia/images/2026/04/mtg...	973.0 KiB
/var/esa/storage/images/esa_multimedia/images/2026/04/the...	657.0 KiB
/var/esa/storage/images/esa_multimedia/images/2026/04/tri...	559.0 KiB
/var/esa/storage/images/esa_multimedia/images/2023/11/euc...	535.2 KiB
/var/esa/storage/images/esa_multimedia/images/2026/04/a_f...	350.2 KiB
www.esa.int/fontawesome/webfonts/fa-solid-900.woff2	320.5 KiB
/var/esa/storage/images/esa_multimedia/images/2026/03/her...	278.1 KiB
/var/esa/storage/images/esa_multimedia/videos/2026/04/art...	213.5 KiB

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL
Open item `figure.thumbnail > header.entry > a.cta > img.arrow`	www.esa.int/extension/pillars/design/pillars/images/arrow.svg
Open item `figure.thumbnail > header.entry > a.cta > img.arrow`	www.esa.int/extension/pillars/design/pillars/images/arrow.svg
Open item `figure.thumbnail > header.entry > a.cta > img.arrow`	www.esa.int/extension/pillars/design/pillars/images/arrow.svg
Open item `figure.thumbnail > header.entry > a.cta > img.arrow`	www.esa.int/extension/pillars/design/pillars/images/arrow.svg
Open item `figure.thumbnail > header.entry > a.cta > img.arrow`	www.esa.int/extension/pillars/design/pillars/images/arrow.svg
Open item `figure.thumbnail > header.entry > a.cta > img.arrow`	www.esa.int/extension/pillars/design/pillars/images/arrow.svg
Germany `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_ger.png
Austria `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_aus.png
Belgium `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_bel.png
Denmark `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_den.png
Spain `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_spa.png
Estonia `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_est.png
Finland `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_fin.png
France `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_fra.png
Greece `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_gre.png
Hungary `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_hun.png
Ireland `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_ire.png
Italy `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_ita.png
Luxembourg `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_lux.png
Norway `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_nor.png
The Netherlands `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_the.png
Poland `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_pol.png
Portugal `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_por.png
Czechia `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_cze.png
Romania `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_rom.png
United Kingdom `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_uni.png
Slovenia `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_slo.png
Sweden `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_swe.png
Switzerland `div.theme-block > div.section-group > a.btn > img`	www.esa.int/extension/pillars/design/pillars/images/flags/flag_swi.png
ESA search toggle `section#esa-header > div.esa-header__left > button#esa-search > img.esa-header__icon`	www.esa.int/extension/pillars/design/pillars/images/ESA_Search.svg
ESA menu toggle `section#esa-header > div.esa-header__left > button#esa-menu > img.esa-header__icon`	www.esa.int/extension/pillars/design/pillars/images/ESA_Menu.svg

More information about the performance of your application. These numbers don't directly affect the Performance score.

●Time to Interactive 3.6 s

●Layout shift culprits

●Optimize DOM size

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Minify JavaScript

●Reduce unused JavaScript

●JavaScript execution time 0.3 s

●Avoid long main-thread tasks 6 long tasks found

●Avoid non-composited animations 2 animated elements found

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 210 ms

●Server Backend Latencies 30 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 0 ms

●Avoid large layout shifts 1 layout shift found

○INP breakdown

○LCP request discovery

○User Timing marks and measures

Accessibility

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.

Names and labels

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.wrapper > section#gateway > div.c-gateway__block > button.c-gateway__toggle `div.wrapper > section#gateway > div.c-gateway__block > button.c-gateway__toggle`
div.wrapper > section#gateway > div.c-gateway__block > button.c-gateway__toggle `div.wrapper > section#gateway > div.c-gateway__block > button.c-gateway__toggle`
div.wrapper > section#gateway > div.c-gateway__block > button.c-gateway__toggle `div.wrapper > section#gateway > div.c-gateway__block > button.c-gateway__toggle`
div.wrapper > section#gateway > div.c-gateway__block > button.c-gateway__toggle `div.wrapper > section#gateway > div.c-gateway__block > button.c-gateway__toggle`

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.wrapper > section#footer > div.social-media-links > a `div.wrapper > section#footer > div.social-media-links > a`
div.wrapper > section#footer > div.social-media-links > a `div.wrapper > section#footer > div.social-media-links > a`
div.wrapper > section#footer > div.social-media-links > a `div.wrapper > section#footer > div.social-media-links > a`
div.wrapper > section#footer > div.social-media-links > a `div.wrapper > section#footer > div.social-media-links > a`
div.wrapper > section#footer > div.social-media-links > a `div.wrapper > section#footer > div.social-media-links > a`
div.wrapper > section#footer > div.social-media-links > a `div.wrapper > section#footer > div.social-media-links > a`
div.wrapper > section#footer > div.social-media-links > a `div.wrapper > section#footer > div.social-media-links > a`

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.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
SCIENCE & EXPLORATION `div.feature-item > figure.thumbnail > header.entry > span.pillar`
AGENCY `a.card > figure.thumbnail > header.entry > span.pillar`
SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
21/04/2026 `a.card > header.entry > div.meta > span`
1426 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
APPLICATIONS `a.card > figure.thumbnail > header.entry > span.pillar`
APPLICATIONS `div.grid-item > a.card > header.entry > span.pillar`
15/04/2026 `a.card > header.entry > div.meta > span`
1822 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
15/04/2026 `a.card > header.entry > div.meta > span`
7008 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
APPLICATIONS `div.grid-item > a.card > header.entry > span.pillar`
15/04/2026 `a.card > header.entry > div.meta > span`
1573 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
13/04/2026 `a.card > header.entry > div.meta > span`
10039 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
APPLICATIONS `a.card > figure.thumbnail > header.entry > span.pillar`
MORE ITEMS `div.grid-item > a.card > div.outline > h3.heading`
ENABLING & SUPPORT `div.feature-item > figure.thumbnail > header.entry > span.pillar`
SCIENCE & EXPLORATION `div.feature-item > figure.thumbnail > header.entry > span.pillar`
SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
20/04/2026 `a.card > header.entry > div.meta > span`
2852 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
281882 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
21/04/2026 `a.card > header.entry > div.meta > span`
1426 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
31621005 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
AGENCY `div.grid-item > a.card > header.entry > span.pillar`
396879 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
AGENCY `div.grid-item > a.card > header.entry > span.pillar`
1513652 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
13/04/2026 `a.card > header.entry > div.meta > span`
10039 VIEWS `a.card > header.entry > div.meta > span`
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SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
02/04/2026 `a.card > header.entry > div.meta > span`
12751 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
APPLICATIONS `div.grid-item > a.card > header.entry > span.pillar`
28/03/2026 `a.card > header.entry > div.meta > span`
2834 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
27/03/2026 `a.card > header.entry > div.meta > span`
114642 VIEWS `a.card > header.entry > div.meta > span`
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SCIENCE & EXPLORATION `div.grid-item > a.card > header.entry > span.pillar`
26/03/2026 `a.card > header.entry > div.meta > span`
1351 VIEWS `a.card > header.entry > div.meta > span`
VIEWS `header.entry > div.meta > span > small`
MORE ITEMS `div.grid-item > a.card > div.outline > h3.heading`
APPLICATIONS `a.card > figure.thumbnail > header.entry > span.pillar`
APPLICATIONS `a.card > figure.thumbnail > header.entry > span.pillar`
SCIENCE & EXPLORATION `a.card > figure.thumbnail > header.entry > span.pillar`
SCIENCE & EXPLORATION `a.card > figure.thumbnail > header.entry > span.pillar`
APPLICATIONS `a.card > figure.thumbnail > header.entry > span.pillar`
MORE ITEMS `div.grid-item > a.card > div.outline > h3.heading`

These are opportunities to improve the legibility of your content.

Best practices

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.

Why this matters

Informational: a Permissions-Policy directive showing feature -> allowed origins.

Source: MDN Permissions-Policy

Failing Elements
head > meta `head > meta`

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
1 `div.flexslider > ol.flex-control-nav > li > a.flex-active`
2 `div.flexslider > ol.flex-control-nav > li > a`
3 `div.flexslider > ol.flex-control-nav > li > a`
4 `div.flexslider > ol.flex-control-nav > li > a`

These items highlight common accessibility best practices.

○Interactive controls are keyboard focusable

○Interactive elements indicate their purpose and state

○The page has a logical tab order

○Visual order on the page follows DOM order

○User focus is not accidentally trapped in a region

○The user's focus is directed to new content added to the page

○HTML5 landmark elements are used to improve navigation

○Offscreen content is hidden from assistive technology

○Custom controls have associated labels

○Custom controls have ARIA roles

●`[aria-hidden="true"]` is not present on the document `<body>`

●Image elements have `[alt]` attributes

●Document has a `<title>` element

●`<html>` element has a `[lang]` attribute

●`<html>` element has a valid value for its `[lang]` attribute

●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements

●Heading elements appear in a sequentially-descending order

●Document has a main landmark.

●Identical links have the same purpose.

○`[accesskey]` values are unique

○`[aria-*]` attributes match their roles

○`button`, `link`, and `menuitem` elements have accessible names

○ARIA attributes are used as specified for the element's role

○Deprecated ARIA roles were not used

○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.

○`[aria-hidden="true"]` elements do not contain focusable descendents

○ARIA input fields have accessible names

○ARIA `meter` elements have accessible names

○ARIA `progressbar` elements have accessible names

○Elements use only permitted ARIA attributes

○`[role]`s have all required `[aria-*]` attributes

○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.

○`[role]`s are contained by their required parent element

○`[role]` values are valid

○Elements with the `role=text` attribute do not have focusable descendents.

○ARIA toggle fields have accessible names

○ARIA `tooltip` elements have accessible names

○ARIA `treeitem` elements have accessible names

○`[aria-*]` attributes have valid values

○`[aria-*]` attributes are valid and not misspelled

○The page contains a heading, skip link, or landmark region

○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.

○Definition list items are wrapped in `<dl>` elements

○ARIA IDs are unique

○No form fields have multiple labels

○`<frame>` or `<iframe>` elements have a title

○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.

○Input buttons have discernible text.

○`<input type="image">` elements have `[alt]` text

○Form elements have associated labels

○Links are distinguishable without relying on color.

○The document does not use `<meta http-equiv="refresh">`

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

○No element has a `[tabindex]` value greater than 0

○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.

○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.

○`[lang]` attributes have a valid value

○`<video>` elements contain a `<track>` element with `[kind="captions"]`

○Tables have different content in the summary attribute and `<caption>`.

○All heading elements contain content.

○Uses ARIA roles only on compatible elements

○Image elements do not have `[alt]` attributes that are redundant text.

○Elements with visible text labels have matching accessible names.

○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.

○`<td>` elements in a large `<table>` have one or more table headers.

100

Best Practices

●Uses HTTPS

●Avoids deprecated APIs

●Avoids third-party cookies

●Allows users to paste into input fields

●Avoids requesting the geolocation permission on page load

●Avoids requesting the notification permission on page load

●Displays images with correct aspect ratio

●Serves images with appropriate resolution

●Page has the HTML doctype

●Properly defines charset

●No browser errors logged to the console

●No issues in the `Issues` panel in Chrome Devtools

●Ensure CSP is effective against XSS attacks

●Use a strong HSTS policy

●Ensure proper origin isolation with COOP

●Mitigate clickjacking with XFO or CSP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

100

SEO

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.

○Structured data is valid

●Page isn’t blocked from indexing

●Document has a `<title>` element

●Document has a meta description

●Page has successful HTTP status code

●Links have descriptive text

●Links are crawlable

●robots.txt is valid

●Image elements have `[alt]` attributes

●Document has a valid `hreflang`

○Document has a valid `rel=canonical`