2.7 sec in total
341 ms
2.2 sec
164 ms
Visit devgym.oracle.com now to see the best up-to-date Dev Gym Oracle content for China and also check out these interesting facts you probably never knew about devgym.oracle.com
Visit devgym.oracle.comWe analyzed Devgym.oracle.com page load time and found that the first response time was 341 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
devgym.oracle.com performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value15.8 s
0/100
25%
Value8.1 s
21/100
10%
Value250 ms
85/100
30%
Value0.1
89/100
15%
Value11.9 s
16/100
10%
341 ms
450 ms
332 ms
348 ms
372 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 35% of them (19 requests) were addressed to the original Devgym.oracle.com, 39% (21 requests) were made to Static.oracle.com and 7% (4 requests) were made to C.oracleinfinity.io. The less responsive or slowest element that took the longest time to load (553 ms) relates to the external source Static.oracle.com.
Page size can be reduced by 1.3 MB (74%)
1.7 MB
448.2 kB
In fact, the total size of Devgym.oracle.com main page is 1.7 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. 50% of websites need less resources to load. CSS take 861.8 kB which makes up the majority of the site volume.
Potential reduce by 28.9 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 28.9 kB or 66% of the original size.
Potential reduce by 535.4 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 535.4 kB or 66% of the original size.
Potential reduce by 703.6 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. Devgym.oracle.com needs all CSS files to be minified and compressed as it can save up to 703.6 kB or 82% of the original size.
Number of requests can be reduced by 23 (64%)
36
13
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Gym Oracle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
devgym.oracle.com
341 ms
f
450 ms
Core.min.css
332 ms
Theme-Standard.min.css
348 ms
font-apex.min.css
372 ms
Core.min.css
359 ms
oraclesans-apex.min.css
451 ms
Redwood-Light.min.css
457 ms
40844965685283106.css
76 ms
devgym.min.css
29 ms
truste-oraclelib.js
57 ms
notice
237 ms
ora_otn.js
167 ms
desktop_all.min.js
384 ms
wwv_flow.js_messages
204 ms
jquery-migrate.min.js
553 ms
widget.stickyWidget.min.js
374 ms
theme42.min.js
372 ms
devgym.min.js
40 ms
widget.report.min.js
553 ms
hero-3b-bg.png
243 ms
dev-gym.png
77 ms
Success2.png
148 ms
sqzl_icon_5_white.png
77 ms
classes-white.png
84 ms
multiple-choice-quiz-white.png
103 ms
workout-white.png
90 ms
ora_code_otn.js
46 ms
ora_code.js
44 ms
OracleSans_W_Rg.woff
124 ms
OracleSansCd_W_Rg.woff
72 ms
OracleSans_W_Rg.woff
142 ms
OracleSans_W_SBd.woff
123 ms
OracleSans_W_Lt.woff
437 ms
OracleSansCd_W_Lt.woff
110 ms
OracleSans_W_Lt.woff
78 ms
OracleSans_W_ULt.woff
146 ms
OracleSans_W_ULt.woff
142 ms
OracleSans_W_SBd.woff
72 ms
OracleSans_W_Bd.woff
163 ms
OracleSansCd_W_Bd.woff
103 ms
OracleSans_W_Bd.woff
122 ms
OracleSans_W_XBd.woff
140 ms
OracleSans_W_XBd.woff
493 ms
Font-APEX-Small.woff
182 ms
odc.js
148 ms
analytics-production.js
8 ms
common.js
7 ms
analytics.js
16 ms
id
115 ms
infinity_common.js
74 ms
dcs.gif
25 ms
dcs.gif
26 ms
dcs.gif
4 ms
devgym.oracle.com 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
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
Links do not have a discernible name
devgym.oracle.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
devgym.oracle.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Devgym.oracle.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Devgym.oracle.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.
devgym.oracle.com
Open Graph description is not detected on the main page of Dev Gym Oracle. 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: