1.3 sec in total
64 ms
853 ms
422 ms
Click here to check amazing Sefaria content for United States. Otherwise, check out these important facts you probably never knew about sefaria.org
The largest free library of Jewish texts available to read online in Hebrew and English including Torah, Tanakh, Talmud, Mishnah, Midrash, commentaries and more.
Visit sefaria.orgWe analyzed Sefaria.org page load time and found that the first response time was 64 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
sefaria.org performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value16.7 s
0/100
25%
Value11.0 s
6/100
10%
Value2,000 ms
7/100
30%
Value0
100/100
15%
Value22.7 s
1/100
10%
64 ms
363 ms
41 ms
37 ms
37 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 69% of them (24 requests) were addressed to the original Sefaria.org, 11% (4 requests) were made to Fonts.gstatic.com and 9% (3 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (363 ms) belongs to the original domain Sefaria.org.
Page size can be reduced by 1.4 MB (73%)
1.9 MB
509.4 kB
In fact, the total size of Sefaria.org main page is 1.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. HTML takes 1.1 MB which makes up the majority of the site volume.
Potential reduce by 989.0 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 989.0 kB or 86% of the original size.
Potential reduce by 14.3 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Sefaria images are well optimized though.
Potential reduce by 135.6 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 135.6 kB or 70% of the original size.
Potential reduce by 242.5 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Sefaria.org needs all CSS files to be minified and compressed as it can save up to 242.5 kB or 85% of the original size.
Number of requests can be reduced by 18 (67%)
27
9
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sefaria. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
sefaria.org
64 ms
www.sefaria.org
363 ms
js,_jquery-ui,_css,_smoothness,_jquery-ui-1.8.22.custom.css+bootstrap,_css,_bootstrap.css+font-awesome,_css,_font-awesome.css+css,_base.css+css,_common.css.pagespeed.cc.QqWUGp-YoW.css
41 ms
webfont.js
37 ms
A.keyboard.css+tooltipster.css,Mcc.fxzkIp4BDa.css.pagespeed.cf.DXjEdQILf5.css
37 ms
jquery.js
281 ms
jquery-ui.min.js
301 ms
jquery.tooltipster.min.js.pagespeed.jm.xcaly8QTZO.js
36 ms
util.js.pagespeed.jm.6B520GyaSM.js
35 ms
keyboard.js.pagespeed.jm.rcNFZzCUa7.js
36 ms
ga.js
216 ms
css
136 ms
xbacks.png.pagespeed.ic.xjJZ1uy-Gl.png
112 ms
xfaces.png.pagespeed.ic.C2mS5MLftW.png
116 ms
xsideBySide.png.pagespeed.ic.QsOU-af8G9.png
110 ms
xstacked.png.pagespeed.ic.ZKVm1HDg5e.png
112 ms
xparagraph.png.pagespeed.ic.1936Z1nyED.png
112 ms
xlines.png.pagespeed.ic.V1BAObAYjn.png
117 ms
xbilingual.png.pagespeed.ic.SlEgXgYPe4.png
122 ms
xexplorer-in-laptop.png.pagespeed.ic.JqBhHEe2P5.jpg
122 ms
xblog-image.png.pagespeed.ic.vn_c1FFCxH.png
123 ms
ui-icons_222222_256x240.png
21 ms
explorer-cropped-mirrored.jpg
122 ms
fontawesome-webfont.woff
99 ms
hopscotch.js.pagespeed.jm.nXmt9SAZkU.js
77 ms
A.hopscotch.css.pagespeed.cf.TqgKLF95Ta.css
78 ms
IQHow_FEYlDC4Gzy_m8fcgFhaRv2pGgT5Kf0An0s4MM.woff
163 ms
zhcz-_WihjSQC0oHJ9TCYBsxEYwM7FgeyaSgU71cLG0.woff
163 ms
egyj7dY5e_N2hUNTymYk3w.woff
165 ms
2ux2vQ7peUQT3x2nreAHUg.woff
165 ms
__utm.gif
136 ms
collect
102 ms
ui-bg_flat_75_ffffff_40x100.png
23 ms
english.png
8 ms
hebrew.png
8 ms
sefaria.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
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.
Impact
Issue
Image elements do not have [alt] attributes
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sefaria.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
sefaria.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sefaria.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sefaria.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
sefaria.org
Open Graph description is not detected on the main page of Sefaria. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: