6.4 sec in total
1.9 sec
4.4 sec
166 ms
Welcome to biblioteca.cinvestav.mx homepage info - get ready to check Biblioteca Cinvestav best content for Vietnam right away, or after learning these important things about biblioteca.cinvestav.mx
Sitio de la Biblioteca Central del CINVESTAV
Visit biblioteca.cinvestav.mxWe analyzed Biblioteca.cinvestav.mx page load time and found that the first response time was 1.9 sec and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
biblioteca.cinvestav.mx performance score
name
value
score
weighting
Value8.6 s
0/100
10%
Value11.4 s
0/100
25%
Value9.6 s
11/100
10%
Value160 ms
93/100
30%
Value0.022
100/100
15%
Value10.9 s
21/100
10%
1850 ms
102 ms
178 ms
65 ms
184 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 88% of them (51 requests) were addressed to the original Biblioteca.cinvestav.mx, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Biblioteca.cinvestav.mx.
Page size can be reduced by 612.3 kB (52%)
1.2 MB
566.1 kB
In fact, the total size of Biblioteca.cinvestav.mx main page is 1.2 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. 35% of websites need less resources to load. Javascripts take 592.9 kB which makes up the majority of the site volume.
Potential reduce by 41.5 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 41.5 kB or 81% of the original size.
Potential reduce by 105.7 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. Obviously, Biblioteca Cinvestav needs image optimization as it can save up to 105.7 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 415.9 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 415.9 kB or 70% of the original size.
Potential reduce by 49.2 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. Biblioteca.cinvestav.mx needs all CSS files to be minified and compressed as it can save up to 49.2 kB or 84% of the original size.
Number of requests can be reduced by 20 (36%)
55
35
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblioteca Cinvestav. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
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biblioteca.cinvestav.mx accessibility score
ARIA
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.
Impact
Issue
[aria-*] attributes do not match their roles
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
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
Form elements do not have associated labels
Links do not have a discernible name
biblioteca.cinvestav.mx 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
Browser errors were logged to the console
biblioteca.cinvestav.mx SEO score
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
Tap targets are not sized appropriately
ES
ES
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biblioteca.cinvestav.mx can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Biblioteca.cinvestav.mx main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
biblioteca.cinvestav.mx
Open Graph description is not detected on the main page of Biblioteca Cinvestav. 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: