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83
100
bioRxiv.org - the preprint server for Biology
bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution
https://www.biorxiv.org/
1 high issue
3.0%
4 medium issues
12.1%
5 low issues
15.2%
23 tests passed
69.7%
0.35 seconds
8.47 kB
14 resources
Secure
Seo
Title
The title tag is perfect.
bioRxiv.org - the preprint server for Biology
Meta description
The meta description tag is good.
bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution
Headings
The headings are properly set.
Content keywords
The content has relevant keywords.
forbiology
Image keywords
There are 2 images with missing alt attributes.
  1. https://www.biorxiv.org/sites/default/files/cshl_logo_bioarchives.png
  2. https://www.biorxiv.org/sites/default/files/site_logo/bioRxiv_logo_homepage.png
SEO friendly URL
The URL is SEO friendly.
https://www.biorxiv.org/
404 page
The website has 404 error pages.
https://www.biorxiv.org/404-02129e68d6ebb757c10d2f9cb0029c8e
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage has the language declared.
en
Favicon
The webpage has a favicon.
https://www.biorxiv.org/sites/default/files/images/favicon.ico
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.35 seconds.
Page size
The size of the HTML webpage is 8,467.00.
HTTP requests
There are fewer than 14 HTTP requests on the webpage.
  1. https://www.biorxiv.org/sites/default/files/advagg_js/js__pLr-NK78ay59QifmKNmtslpYXxsCjzX3lUbvd1UscTE__bV5sLc7BR39g-tuwdNiiEW2NeELRVfGFoC49QEoVv1M__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.js
  2. https://www.biorxiv.org/sites/default/files/advagg_js/js__bnwyEQSuZLC-kZnFqCi5iE02nOCzM7DjY7zYxcN9nsQ__VBiBT_qq_eHMMO2Q1rXK1u-hHff31XLUkmi9dgjuPeY__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.js
  3. https://d33xdlntwy0kbs.cloudfront.net/cshl_custom.js
  4. https://www.biorxiv.org/sites/default/files/advagg_js/js__BmqjBnkz3MgYCAoc25s1lDRMEjLhC3mEPVonUFIHi08__Unwv5-ZIuHBfFwytsjEx1niBVJ7n1T4lPws7VrkHXM4__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.js
  1. https://www.biorxiv.org/sites/default/files/advagg_css/css__HZ-qMUtEfy3t2_CcrU8XBY06UykWM66UEaEJRxHJjoU__IWUHg0vG09M9BpsB9rgnUB5ufn1U1D07d4el3kpN9_k__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.css
  2. https://www.biorxiv.org/sites/default/files/advagg_css/css__vP96nkAt3EeLU62QRdHXKZuS9tqQ1EMDJC_PSKd7hEk__lHjEjA8vesYocDHspzRjJD6B-seMDbxqo3imDh_XOlQ__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.css
  3. https://www.biorxiv.org/sites/default/files/advagg_css/css__SqI6ZG_LXSqIUSxWizspbIhoeMGkGBqxQgqZbDJepI8__EBV-1_7kK2_U4miWlL-9o-NeGGCpO2_oza6OzTYlHHc__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.css
  4. https://www.biorxiv.org/sites/default/files/advagg_css/css__2WBMox6sOrN42ss5lCnH7WWVRdFdJCxtTKnQJYRwTE4__yqNvNYLvMpjy3ffuJrjjm9uW2i-Me1c23KLYuWHaqio__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.css
  5. https://www.biorxiv.org/sites/default/files/advagg_css/css__SBDwfMLNeg-nEqmjCo16QY2aN08Py64KIswN-r-sXa4__5c1ZiN_pM9tjxvpyA9VpEacScF0S_W4R222pC-s_-Pk__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.css
  6. https://d33xdlntwy0kbs.cloudfront.net/cshl_custom.css
  1. https://www.biorxiv.org/sites/default/files/bioRxiv_article.jpg
  2. https://www.biorxiv.org/sites/default/files/cshl_logo_bioarchives.png
  3. https://www.biorxiv.org/sites/default/files/site_logo/bioRxiv_logo_homepage.png
  1. https://www.googletagmanager.com/ns.html?id=GTM-M677548
Image format
There are 3 images that are not using the AVIF, WebP format.
  1. https://www.biorxiv.org/sites/default/files/bioRxiv_article.jpg
  2. https://www.biorxiv.org/sites/default/files/cshl_logo_bioarchives.png
  3. https://www.biorxiv.org/sites/default/files/site_logo/bioRxiv_logo_homepage.png
JavaScript defer
The are 4 javascript resources without the defer attribute.
  1. https://www.biorxiv.org/sites/default/files/advagg_js/js__pLr-NK78ay59QifmKNmtslpYXxsCjzX3lUbvd1UscTE__bV5sLc7BR39g-tuwdNiiEW2NeELRVfGFoC49QEoVv1M__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.js
  2. https://www.biorxiv.org/sites/default/files/advagg_js/js__bnwyEQSuZLC-kZnFqCi5iE02nOCzM7DjY7zYxcN9nsQ__VBiBT_qq_eHMMO2Q1rXK1u-hHff31XLUkmi9dgjuPeY__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.js
  3. https://d33xdlntwy0kbs.cloudfront.net/cshl_custom.js
  4. https://www.biorxiv.org/sites/default/files/advagg_js/js__BmqjBnkz3MgYCAoc25s1lDRMEjLhC3mEPVonUFIHi08__Unwv5-ZIuHBfFwytsjEx1niBVJ7n1T4lPws7VrkHXM4__CDaVwbcyHsnHMic_LwmGoMcQtrFtvLdZrKXxPKmM9Ek.js
DOM size
The DOM size is optimal.
The HTML file has 245 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.biorxiv.org/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
cloudflare
Unsafe cross-origin links
The webpage has 1 unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
Miscellaneous
Structured data
The webpage has structured data.
    Meta viewport
    The webpage has a meta viewport tag set.
    width=device-width, initial-scale=1
    Character set
    The webpage does not have a charset declared.
    Sitemap
    No sitemaps found.
    Social
    The webpage does not contain any social links.
    Content length
    The are less than 500 words on the webpage.
    The webpage has 137 words.
    Text to HTML ratio
    The text to HTML ratio is under 10%
    The text to HTML ratio is 3%.
    Inline CSS
    The webpage does not contain inline CSS code.
    Deprecated HTML
    There are no deprecated HTML tags on the webpage.