Tools & Wizards About Us
cienciahistorica.com screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

cienciahistorica.com

Bienvenido a Ciencia Histórica. - Ciencia Histórica

Page Load Speed

3.4 sec in total

First Response

265 ms

Resources Loaded

2.8 sec

Page Rendered

334 ms

cienciahistorica.com screenshot

About Website

Visit cienciahistorica.com now to see the best up-to-date Ciencia Historica content for Mexico and also check out these interesting facts you probably never knew about cienciahistorica.com

Ciencia Histórica, el blog de la Gran Historia, que nos lleva en un viaje desde el Big Bang hasta nuestros días. Muchas ciencia, y mucha historia...

Visit cienciahistorica.com

Key Findings

We analyzed Cienciahistorica.com page load time and found that the first response time was 265 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

cienciahistorica.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

cienciahistorica.com

265 ms

www.cienciahistorica.com

501 ms

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

5 ms

jquery.min.js

164 ms

7d9c5034abb334a389dde3a14c15d237.js

431 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 93% of them (14 requests) were addressed to the original Cienciahistorica.com, 7% (1 request) were made to . The less responsive or slowest element that took the longest time to load (801 ms) belongs to the original domain Cienciahistorica.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.4 kB (20%)

Content Size

389.2 kB

After Optimization

312.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cienciahistorica.com main page is 389.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 124.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 75.3 kB

  • Original 96.4 kB
  • After minification 96.3 kB
  • After compression 21.1 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 75.3 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 603 B

  • Original 124.8 kB
  • After minification 124.2 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. Ciencia Historica images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 508 B

  • Original 103.7 kB
  • After minification 103.7 kB
  • After compression 103.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 64.3 kB
  • After minification 64.3 kB
  • After compression 64.3 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. Cienciahistorica.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ciencia Historica. According to our analytics all requests are already optimized.

Network Requests Diagram

cienciahistorica.com

cienciahistorica.com

265 ms

www.cienciahistorica.com

www.cienciahistorica.com

501 ms

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

5 ms

jquery.min.js

jquery.min.js

164 ms

7d9c5034abb334a389dde3a14c15d237.js

7d9c5034abb334a389dde3a14c15d237.js

431 ms

cropped-Portada2.jpg

cropped-Portada2.jpg

164 ms

facebook.png

facebook.png

240 ms

pinterest.png

pinterest.png

245 ms

twitter.png

twitter.png

246 ms

linkedin.png

linkedin.png

247 ms

whatsapp.png

whatsapp.png

247 ms

Logo-Ciencia-Hist%C3%B3rica.jpg

Logo-Ciencia-Hist%C3%B3rica.jpg

801 ms

w-c-romano1.jpg

w-c-romano1.jpg

399 ms

hitler-furibundo.jpg

hitler-furibundo.jpg

420 ms

8f614073dd2f9b07e425459ea41c07ba.css

8f614073dd2f9b07e425459ea41c07ba.css

195 ms

Accessibility Review

cienciahistorica.com accessibility score

97

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

cienciahistorica.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cienciahistorica.com SEO score

87

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cienciahistorica.com 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 Cienciahistorica.com 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.

Social Sharing Optimization

cienciahistorica.com

Open Graph data is detected on the main page of Ciencia Historica. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: