Tools & Wizards About Us
flask-wtf.readthedocs.org screenshot

Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

flask-wtf.readthedocs.org

Flask-WTF — Flask-WTF Documentation (1.2.x)

Page Load Speed

20.4 sec in total

First Response

60 ms

Resources Loaded

20.2 sec

Page Rendered

200 ms

flask-wtf.readthedocs.org screenshot

About Website

Visit flask-wtf.readthedocs.org now to see the best up-to-date Flask WTF Readthedocs content for India and also check out these interesting facts you probably never knew about flask-wtf.readthedocs.org

Visit flask-wtf.readthedocs.org

Key Findings

We analyzed Flask-wtf.readthedocs.org page load time and found that the first response time was 60 ms and then it took 20.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

flask-wtf.readthedocs.org performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value2.9 s

94/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

flask-wtf.readthedocs.org

60 ms

53 ms

flasky.css

54 ms

pygments.css

56 ms

badge_only.css

90 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 32% of them (6 requests) were addressed to the original Flask-wtf.readthedocs.org, 42% (8 requests) were made to Media.readthedocs.org and 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Pypip.in.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.2 kB (60%)

Content Size

197.4 kB

After Optimization

79.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Flask-wtf.readthedocs.org main page is 197.4 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. 20% of websites need less resources to load. Javascripts take 142.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 12.0 kB

  • Original 15.5 kB
  • After minification 13.7 kB
  • After compression 3.5 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. This page needs HTML code to be minified as it can gain 1.7 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 12.0 kB or 77% of the original size.

Image Optimization

-21%

Potential reduce by 2.4 kB

  • Original 11.1 kB
  • After minification 8.7 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, Flask WTF Readthedocs needs image optimization as it can save up to 2.4 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 81.2 kB

  • Original 142.7 kB
  • After minification 139.9 kB
  • After compression 61.4 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 81.2 kB or 57% of the original size.

CSS Optimization

-81%

Potential reduce by 22.7 kB

  • Original 28.1 kB
  • After minification 19.1 kB
  • After compression 5.5 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. Flask-wtf.readthedocs.org needs all CSS files to be minified and compressed as it can save up to 22.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (71%)

Requests Now

14

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Flask WTF Readthedocs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

flask-wtf.readthedocs.org

flask-wtf.readthedocs.org

60 ms

53 ms

flasky.css

flasky.css

54 ms

pygments.css

pygments.css

56 ms

badge_only.css

badge_only.css

90 ms

readthedocs-doc-embed.css

readthedocs-doc-embed.css

107 ms

jquery-2.0.3.min.js

jquery-2.0.3.min.js

128 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

120 ms

underscore.js

underscore.js

120 ms

doctools.js

doctools.js

116 ms

readthedocs-doc-embed.js

readthedocs-doc-embed.js

119 ms

basic.css

basic.css

37 ms

ga.js

ga.js

36 ms

flask-wtf.png

flask-wtf.png

35 ms

badge.svg

badge.svg

19927 ms

319 ms

badge.svg

badge.svg

19893 ms

__utm.gif

__utm.gif

16 ms

fontawesome_webfont.woff

fontawesome_webfont.woff

14 ms

Accessibility Review

flask-wtf.readthedocs.org accessibility score

98

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

flask-wtf.readthedocs.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

flask-wtf.readthedocs.org SEO score

80

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Flask-wtf.readthedocs.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 Flask-wtf.readthedocs.org 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

flask-wtf.readthedocs.org

Open Graph description is not detected on the main page of Flask WTF Readthedocs. 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: